CPC A61F 2/90 (2013.01) [A61F 2/852 (2013.01); A61F 2220/0008 (2013.01)] | 20 Claims |
1. A stent, comprising:
an elongate body configured to be expandable between a first constrained configuration and a second unconstrained configuration,
the elongate body in the second unconstrained configuration including a first retention member extending radially outwardly from the elongate body, a second retention member extending radially outwardly from the elongate body, and a saddle region defining a lumen extending along a longitudinal axis therebetween;
wherein:
at least one of the first retention member or the second retention member comprises a double-walled flange having an axially inward wall, an axially outward wall spaced apart from the axially inward wall, and a radially outwardmost edge extending therebetween; and
at least a portion of the inward wall of the at least one of the first retention member or the second retention member bends towards a vertical center plane of the saddle region along and transverse to the longitudinal axis such that a radially-outer portion of said at least a portion is closer to the vertical center plane than a radially-inner portion of said at least a portion.
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